LOCTITE 640 is a green, anaerobic, low viscosity retaining compound ideal for parts requiring a longer positioning time. Fixturing time on steel is 2 hours. Also used for active metals such as brass. This is a high strength product with good temperature resistance. Diametrical clearance is >.1mm and service temperature is -55◦C to +175◦C. Fluorescence allows product presence to be monitored.
Strengths
single product, requires no mixing
slow curing
ideal for large diameter components
also for active metals such as brass
high strength
good temperature resistance
Applications
Retaining compound - high strength, methacrylate adhesive that is slow curing, ideal for large diameter components and active metals such as brass.